Real perfectly copy by 1:1 or 1:2 without distortion,Copy DVD to DVD R/RW,DVD -R/RW with no loss of quality within 20-40 mins.(depends on the spec of your computer). Supports NTSC and PAL Movies.Supports DVD-R/RW, DVD R/RW.Supports all SCSI,IDE,USB DVD burners/recorder on the marketing.Supports both home ~AMP~amp, PC DVD Player . Lifetime FREE Technical Support and FREE upgrade for purchase user. Free trial download.30 day money back guarantee. Supports copy CSS(Content Scrambling System) protected DVD movies (Need advanced Full Version). Copy a dual-layer (D9) movie into one dual-layer (D9) disc. Copy a dual-layer (D9) movie into one regular D5 DVD R/RW DVD-R/RW Remove unwanted Subtitles/Audios to increase quality. Split DVD-9 into two blanks with all the Special Features,Menus, Subtitles ~AMP~amp, Languages. Copy DVD to Hard Disk and burn DVD disc from Hard disc. Copy episode DVDs(TV shows on DVD). Remove region protection(Region-free) and Macrovision Protection. Neat User Interface,very easy to use,without any complicated parameter settings . No ASPI drivers needed. You can get DVDs total same as the source DVD discs.